A mixed edition of Pellet's Swiss quarto editions. "The greatest encyclopedia of science, which had widespread effect in establishing uniformity of terminology, concept, and procedure in all fields of science and technology" (Grolier/Horblit 25b). John Lough, Essays on the Encyclopédie of Diderot and D'Alembert, London, 1968, pp. 36-40; see PMM 200. (39)